The DMWC have given Telly data on a cohort of 97 snuffles trapped and radio-tagg
ID: 3227903 • Letter: T
Question
The DMWC have given Telly data on a cohort of 97 snuffles trapped and radio-tagged that was followed for 10 years. Here is what he came up with What kind of life table is it Cohort life table Static life table Dynamic composite life table Life insurance table None of the above Based on this life table, characterize the life cycle of the snuffle annual, semeparous annual, iteroparous perennial, iteroparous Perennial semeparus None of the above Fill in the values for a, b, c a = .78, b = .16, c = .42 a = .16, b = .98, c = .85 a = .98, b = .16, c = .85 a = .45, b = .16, c = .85 a = .71, b = .32, c = .25 Calculate R0 0.72 1.2 2.5 -1.5 0.89 Calculate the generation time (G) 8.1 2.3 4.1 9.5 3.0 Calculate r 0.0275 -0.0275 -1.515 -1.515 -0.012 Calculate the yearly growth rate (lambda) 1.1 2.3 .97 -0.97 0Explanation / Answer
26. b. Static life table
Explanation:
A Life table is a table which shows what the probability is that a person of that age will die before his or her next birthday.
Static life tables show the current probability of death for people of different ages.
Cohort life tables show the probability of death of people from a given cohort over the course of their lifetime.
A cohort life table is made by identifying a large number of individuals born at about the same time and recording each individual’s age at death. A cohort is representative of the population as a whole.
Static life tables are useful with long-surviving species. Here, it is difficult or impossible to follow a cohort through death.
27. b. Annual,iteroparous
28. c. a=.98, b=.16, c=.85
a=95/97=0.979= 98
b=15/97=0.154=0.16
c=0.749/0.881=0.850
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